Cord coupler unit



FIG. 1 is a front, top and side perspective view of the cord coupler unit embodying the design of the present invention;

FIG. 2 is a front elevational view thereof, the side opposite being a mirror image of the side shown in FIG. 2;

FIG. 3 is a side elevational view thereof, the side opposite being a mirror image of the side shown in FIG. 3; and,

FIG. 4 is a top plan view thereof with the bottom plan view being a mirror image of the top view shown in FIG. 4. 

The ornamental design for a cord coupler unit, as shown and described. 